//package com.bite.captcha.controller;
//
//import cn.hutool.captcha.CaptchaUtil;
//import cn.hutool.captcha.LineCaptcha;
//import com.bite.captcha.Constants;
//import com.bite.captcha.model.CaptchaProperties;
//import jakarta.servlet.http.HttpServletRequest;
//import jakarta.servlet.http.HttpServletResponse;
//import jakarta.servlet.http.HttpSession;
//import org.springframework.beans.factory.annotation.Autowired;
//import org.springframework.beans.factory.annotation.Value;
//import org.springframework.util.StringUtils;
//import org.springframework.web.bind.annotation.RequestMapping;
//import org.springframework.web.bind.annotation.RestController;
//
//import java.io.IOException;
//import java.util.Date;
//
//@RequestMapping("/captcha")
//@RestController
//public class CaptchaController {
//    private final static long session_valid_timeout = 60 * 1000;
//
//    @Autowired
//    private CaptchaProperties captchaProperties;
//
//
//
//    @RequestMapping("/get")
//    public void getCaptcha(HttpSession session, HttpServletResponse response){
//        LineCaptcha lineCaptcha = CaptchaUtil.createLineCaptcha(captchaProperties.getWidth(), captchaProperties.getHeight());
//        //设置返回类型
//        response.setContentType("image/jpeg");
//        //禁止缓存
//        response.setHeader("Progma", "No-cache");
//        //图形验证码写出，可以写出到文件，也可以写出到流
//        try {
//            lineCaptcha.write(response.getOutputStream());
//            //存储session
//            session.setAttribute(captchaProperties.getSession().getKey(),lineCaptcha.getCode());
//            session.setAttribute(captchaProperties.getSession().getDate(), new Date());
//            response.getOutputStream().close();
//        } catch (IOException e) {
//            throw new RuntimeException(e);
//        }
//    }
//
//    @RequestMapping("/check")
//    public Boolean check(String inputCode, HttpSession session){
//
//        //验证码生成的内容, 和用户输入的进行比较
//        if (!StringUtils.hasLength(inputCode)){
//            return false;
//        }
//        //从session获取信息
//        String savedCode = (String) session.getAttribute(captchaProperties.getSession().getKey());
//        Date saveDate = (Date) session.getAttribute(captchaProperties.getSession().getDate());
//        if (inputCode.equalsIgnoreCase(savedCode)){
//            //判断验证码是否过期
//            if (saveDate!=null && System.currentTimeMillis()-saveDate.getTime() < session_valid_timeout){
//                return true;
//            }
//        }
//
//        return false;
//    }
//
//}
